Ver Steeg, Clarence L., author
A People and a nation
Harper and Row, 1981
 Buku Teks
Silberg, Richard, author
The devolution of the people
Harcourt, Brace & World, 1967
 Buku Teks
Burns, James McGregor, author
Government by the people
Prentice-Hall, 1972
 Buku Teks
Halsey, George D., author
Supervising people
Harper & Brothers, 1946
 Buku Teks
Newell, Kenneth W., author
Health by the people
World Health Organization, 1975
 Buku Teks
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